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Forecast: Commercial Global Widebody vs Narrowbody Engine MRO Forecast
The commercial widebody and narrowbody engine maintenance (ATA Chapter 72) MRO demand for the world is projected to surpass $638 billion by the end of 2034. Narrowbody aircraft will capture a slight majority of this MRO demand with 53% as widebody aircraft will account for the remaining 47%.
The 2025 edition of Aviation Week’s Commercial Aviation Fleet & MRO Forecast projects how the world’s aircraft fleet and aftermarket will evolve over the next 10 years. The active commercial widebody and narrowbody jet engine fleets combined are expected to increase from just over 54,400 active jet engines in 2025 to over 78,600 in 2034. This increase in active jet engine fleet will translate directly to an increase in MRO demand during the same period. Required engine MRO demand for commercial widebody and narrowbody aircraft is expected to grow at a CAGR of 4.2%.
The forecast projects that the ATA Chapter 72 engine maintenance will be dominated by the Airbus A320 narrowbody aircraft, followed the Boeing 737 narrowbody and the Boeing 777 widebody aircraft. In total, narrowbody aircraft only account for three out of the top ten aircraft families for engine MRO demand.
Not included in these numbers are engine MRO for regional or turboprop powered aircraft, or the OEM engine OEM tech upgrades.
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